<template>
  <div>
    <div class="gva-table-box">
      <div class="gva-btn-list">
        <el-button type="primary" icon="plus" @click="openDialog()">新增</el-button>
        <el-button icon="delete" style="margin-left: 10px;" :disabled="!multipleSelection.length"
          @click="onDelete">删除</el-button>

      </div>
      <el-table ref="multipleTable" style="width: 100%" tooltip-effect="dark" :data="tableData" row-key="ID"
        @selection-change="handleSelectionChange" @sort-change="sortChange">
        <el-table-column type="selection" width="55" />

        <el-table-column sortable align="left" label="日期" prop="CreatedAt" min-width="180">
          <template #default="scope">{{ formatDate(scope.row.CreatedAt) }}</template>
        </el-table-column>

        <el-table-column sortable align="left" label="名称" prop="name" width="120" />

        <el-table-column sortable align="left" label="排序" prop="sortOrder" width="120" />

        <el-table-column align="left" label="操作" fixed="right" :min-width="appStore.operateMinWith">
          <template #default="scope">
            <el-button type="primary" link class="table-button" @click="openDialog(scope.row)"><el-icon
                style="margin-right: 5px">
                <InfoFilled />
              </el-icon>新增子节点</el-button>
            <el-button type="primary" link class="table-button" @click="getDetails(scope.row)"><el-icon
                style="margin-right: 5px">
                <InfoFilled />
              </el-icon>查看</el-button>
            <el-button type="primary" link icon="edit" class="table-button"
              @click="updateCategoryFunc(scope.row)">编辑</el-button>
            <el-button v-if="!scope.row.children?.length" type="primary" link icon="delete"
              @click="deleteRow(scope.row)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <div class="gva-pagination">
        <el-pagination layout="total, sizes, prev, pager, next, jumper" :current-page="page" :page-size="pageSize"
          :page-sizes="[10, 30, 50, 100]" :total="total" @current-change="handleCurrentChange"
          @size-change="handleSizeChange" />
      </div>
    </div>
    <el-drawer destroy-on-close :size="appStore.drawerSize" v-model="dialogFormVisible" :show-close="false"
      :before-close="closeDialog">
      <template #header>
        <div class="flex justify-between items-center">
          <span class="text-lg">{{ type === 'create' ? '新增' : '编辑' }}</span>
          <div>
            <el-button :loading="btnLoading" type="primary" @click="enterDialog">确 定</el-button>
            <el-button @click="closeDialog">取 消</el-button>
          </div>
        </div>
      </template>

      <el-form :model="formData" label-position="top" ref="elFormRef" :rules="rule" label-width="80px">
        <el-form-item label="父节点:" prop="parentID">
          <el-tree-select v-model="formData.parentID" :data="[rootNode, ...tableData]" check-strictly
            :render-after-expand="false" :props="defaultProps" clearable style="width: 240px" placeholder="根节点" />
        </el-form-item>
        <el-form-item label="名称:" prop="name">
          <el-input v-model="formData.name" :clearable="false" placeholder="请输入名称" />
        </el-form-item>
        <el-form-item label="描述:" prop="description">
          <el-input type="textarea" v-model="formData.description" />
        </el-form-item>
        <el-form-item label="排序:" prop="sortOrder">
          <el-input v-model.number="formData.sortOrder" :clearable="false" placeholder="请输入排序" />
        </el-form-item>
      </el-form>
    </el-drawer>

    <el-drawer destroy-on-close :size="appStore.drawerSize" v-model="detailShow" :show-close="true"
      :before-close="closeDetailShow" title="查看">
      <el-descriptions :column="1" border>
        <el-descriptions-item label="父节点">
          <el-tree-select v-model="detailForm.parentID" :data="[rootNode, ...tableData]" check-strictly disabled
            :render-after-expand="false" :props="defaultProps" clearable style="width: 240px" placeholder="根节点" />
        </el-descriptions-item>
        <el-descriptions-item label="名称">
          {{ detailForm.name }}
        </el-descriptions-item>
        <el-descriptions-item label="描述">
          {{ detailForm.description }}
        </el-descriptions-item>
      </el-descriptions>
    </el-drawer>

  </div>
</template>

<script setup>
import {
  createCategory,
  deleteCategory,
  deleteCategoryByIds,
  updateCategory,
  findCategory,
  getCategoryList
} from '@/api/cms/category'
// 富文本组件
import RichEdit from '@/components/richtext/rich-edit.vue'
import RichView from '@/components/richtext/rich-view.vue'

// 全量引入格式化工具 请按需保留
import { getDictFunc, formatDate, formatBoolean, filterDict, filterDataSource, returnArrImg, onDownloadFile } from '@/utils/format'
import { ElMessage, ElMessageBox } from 'element-plus'
import { ref, reactive } from 'vue'
import { useAppStore } from "@/pinia"




defineOptions({
  name: 'Category'
})

// 提交按钮loading
const btnLoading = ref(false)
const appStore = useAppStore()

// 控制更多查询条件显示/隐藏状态
const showAllQuery = ref(false)

// 自动化生成的字典（可能为空）以及字段
const formData = ref({
  parentID: undefined,
  name: '',
  description: '',
  sortOrder: 0,
})



// 验证规则
const rule = reactive({
  name: [{
    required: true,
    message: '',
    trigger: ['input', 'blur'],
  },
  {
    whitespace: true,
    message: '不能只输入空格',
    trigger: ['input', 'blur'],
  }
  ],
})

const elFormRef = ref()
const elSearchFormRef = ref()

// =========== 表格控制部分 ===========
const page = ref(1)
const total = ref(0)
const pageSize = ref(10)
const tableData = ref([])
const searchInfo = ref({})
// 排序
const sortChange = ({ prop, order }) => {
  const sortMap = {
    CreatedAt: "created_at",
    ID: "id",
    name: 'name',
    sortOrder: 'sort_order',
  }

  let sort = sortMap[prop]
  if (!sort) {
    sort = prop.replace(/[A-Z]/g, match => `_${match.toLowerCase()}`)
  }

  searchInfo.value.sort = sort
  searchInfo.value.order = order
  getTableData()
}
// 树选择器配置
const defaultProps = {
  children: "children",
  label: "name",
  value: "ID"
}

const rootNode = {
  ID: 0,
  name: '根节点',
  children: []
}

// 查询
const getTableData = async () => {
  const table = await getCategoryList()
  if (table.code === 0) {
    tableData.value = table.data || []
  }
}

getTableData()

// ============== 表格控制部分结束 ===============

// 获取需要的字典 可能为空 按需保留
const setOptions = async () => {
}

// 获取需要的字典 可能为空 按需保留
setOptions()


// 多选数据
const multipleSelection = ref([])
// 多选
const handleSelectionChange = (val) => {
  multipleSelection.value = val
}

// 删除行
const deleteRow = (row) => {
  ElMessageBox.confirm('确定要删除吗?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(() => {
    deleteCategoryFunc(row)
  })
}

// 多选删除
const onDelete = async () => {
  ElMessageBox.confirm('确定要删除吗?', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  }).then(async () => {
    const IDs = []
    if (multipleSelection.value.length === 0) {
      ElMessage({
        type: 'warning',
        message: '请选择要删除的数据'
      })
      return
    }
    multipleSelection.value &&
      multipleSelection.value.map(item => {
        IDs.push(item.ID)
      })
    const res = await deleteCategoryByIds({ IDs })
    if (res.code === 0) {
      ElMessage({
        type: 'success',
        message: '删除成功'
      })
      if (tableData.value.length === IDs.length && page.value > 1) {
        page.value--
      }
      getTableData()
    }
  })
}

// 行为控制标记（弹窗内部需要增还是改）
const type = ref('')

// 更新行
const updateCategoryFunc = async (row) => {
  const res = await findCategory({ ID: row.ID })
  type.value = 'update'
  if (res.code === 0) {
    formData.value = res.data
    dialogFormVisible.value = true
  }
}


// 删除行
const deleteCategoryFunc = async (row) => {
  const res = await deleteCategory({ ID: row.ID })
  if (res.code === 0) {
    ElMessage({
      type: 'success',
      message: '删除成功'
    })
    if (tableData.value.length === 1 && page.value > 1) {
      page.value--
    }
    getTableData()
  }
}

// 弹窗控制标记
const dialogFormVisible = ref(false)

// 打开弹窗
const openDialog = (row) => {
  type.value = 'create'
  formData.value.parentID = row ? row.ID : undefined
  dialogFormVisible.value = true
}

// 关闭弹窗
const closeDialog = () => {
  dialogFormVisible.value = false
  formData.value = {
    name: '',
    description: '',
    sortOrder: 0,
  }
}
// 弹窗确定
const enterDialog = async () => {
  btnLoading.value = true
  elFormRef.value?.validate(async (valid) => {
    if (!valid) return btnLoading.value = false
    let res
    switch (type.value) {
      case 'create':
        res = await createCategory(formData.value)
        break
      case 'update':
        res = await updateCategory(formData.value)
        break
      default:
        res = await createCategory(formData.value)
        break
    }
    btnLoading.value = false
    if (res.code === 0) {
      ElMessage({
        type: 'success',
        message: '创建/更改成功'
      })
      closeDialog()
      getTableData()
    }
  })
}

const detailForm = ref({})

// 查看详情控制标记
const detailShow = ref(false)


// 打开详情弹窗
const openDetailShow = () => {
  detailShow.value = true
}


// 打开详情
const getDetails = async (row) => {
  // 打开弹窗
  const res = await findCategory({ ID: row.ID })
  if (res.code === 0) {
    detailForm.value = res.data
    openDetailShow()
  }
}


// 关闭详情弹窗
const closeDetailShow = () => {
  detailShow.value = false
  detailForm.value = {}
}


</script>

<style></style>
